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    • 3. 发明授权
    • Method of rapidly increasing internal temperature of a fuel cell stack during starting of fuel cell system
    • 在燃料电池系统启动期间快速提高燃料电池堆内部温度的方法
    • US08343677B2
    • 2013-01-01
    • US11870608
    • 2007-10-11
    • Tae-won SongDuk-jin OhHyun-chul LeeDong-kwan KimYong Wang
    • Tae-won SongDuk-jin OhHyun-chul LeeDong-kwan KimYong Wang
    • H01M8/06
    • H01M8/04268H01M8/04029
    • A method of starting a polymer electrolyte membrane fuel cell (PEMFC) stack by rapidly increasing its temperature. The PEMFC stack includes: a first flow line connected to cooling plates; a second flow line connected to the cooling plates; a coolant reservoir; a heat exchanger; a by-pass line; a heating element; a first valve installed between the first flow line and the heat exchanger; and a second valve that selectively connects the coolant reservoir, the second flow line, and the by-pass line. The method of starting a PEMFC stack includes: closing the first valve and controlling the second valve so that the second flow line and the by-pass line are connected to each other, and the coolant in the coolant reservoir is not connected to the second flow line and the by-pass line; and heating the coolant in the by-pass line.
    • 通过快速升高其温度来启动聚合物电解质膜燃料电池(PEMFC)堆叠的方法。 PEMFC堆叠包括:连接到冷却板的第一流线; 连接到冷却板的第二流线; 冷却剂储存器; 热交换器; 旁路线 加热元件; 安装在所述第一流动管线和所述热交换器之间的第一阀; 以及选择性地连接冷却剂储存器,第二流动管线和旁路管线的第二阀。 启动PEMFC堆叠的方法包括:关闭第一阀并控制第二阀,使得第二流动管线和旁路管线彼此连接,并且冷却剂储存器中的冷却剂不连接到第二流量 线和旁路线; 并在旁路管线中加热冷却剂。
    • 5. 发明授权
    • Passive cooling system for fuel cell stack
    • 燃料电池堆被动冷却系统
    • US08034501B2
    • 2011-10-11
    • US11740492
    • 2007-04-26
    • Seung-jae LeeDo-young SeungTae-won Song
    • Seung-jae LeeDo-young SeungTae-won Song
    • H01M8/04
    • H01M8/04074H01M8/04029
    • A passive cooling system for a fuel cell stack is provided. The passive cooling system includes a plurality of cooling plates, each installed between every few unit cells, each having flow channels for flowing a primary coolant on at least one surface, and each comprising an inlet hole through which the primary coolant enters and an outlet hole through which the primary coolant that has passed the flow channels leaves; and a heat exchanger installed on a primary coolant flow line connected from the outlet holes to the inlet holes of the cooling plates to change a vapor state primary coolant to a liquid state primary coolant by cooling the primary coolant, wherein a path through which the primary coolant passes is a closed circuit, and the flow of the primary coolant is achieved by natural convection caused by vaporization of the primary coolant.
    • 提供了用于燃料电池堆的被动冷却系统。 被动冷却系统包括多个冷却板,每个冷却板安装在每隔几个单元之间,每个冷却板具有用于使至少一个表面上的主冷却剂流动的流动通道,并且每个冷却板包括一个主冷却剂进入的入口孔和一个出口孔 已经通过流动通道的主要冷却剂穿过该叶片离开; 以及热交换器,其安装在从所述出口孔连接到所述冷却板的入口孔的主冷却剂流动管线上,以通过冷却所述主冷却剂来将蒸气状态的一次冷却剂改变为液体状态的一次冷却剂, 冷却剂通道是闭合回路,并且主冷却剂的流动通过由一次冷却剂的汽化引起的自然对流来实现。
    • 6. 发明授权
    • Heat exchanger for fuel cell
    • 燃料电池换热器
    • US08003271B2
    • 2011-08-23
    • US11515029
    • 2006-09-05
    • Tae-won SongSeung-jae Lee
    • Tae-won SongSeung-jae Lee
    • H01M8/04
    • F28D15/0266F28D7/024F28D15/06F28D2021/0043F28F2265/14H01M8/04029
    • A heat exchanger that can mechanically automatically control a level of cooling water according to heat generation of the fuel cell. The heat exchanger includes a housing having a cooling water inlet and an outlet connected to a fuel cell stack, a moving plate which moves reciprocally in the housing and discharges cooling water filled in the housing to the stack when it moves in a one direction and when it receives a steam pressure from the stack it moves in an opposite direction, and an elastic member that applies a force to the moving plate in the one direction. The heat exchanger can automatically maintain the level of cooling water despite a difference in heat generated between a full and a partial load operation of the fuel cell obviating complicated electronics such as a thermo-sensor, a valve, or a controller. Also, under a partial load, the exposure of flow channels to superheated steam is avoided, thereby extending the lifetime of the fuel cell.
    • 一种热交换器,其能够根据燃料电池的发热机械地自动控制冷却水的水平。 所述热交换器包括壳体,所述壳体具有冷却水入口和连接到燃料电池堆的出口;移动板,其在所述壳体中往复运动,并且当其沿一个方向移动时将填充在所述壳体中的冷却水排出到所述堆叠 它从相对方向移动的烟囱接收蒸汽压力,以及向一个方向向移动板施加力的弹性部件。 尽管在燃料电池的全部和部分负载操作之间产生的热量差别,热交换器可以自动保持冷却水平,从而消除诸如热传感器,阀门或控制器的复杂电子设备。 此外,在部分负荷下,避免了流动通道暴露于过热蒸汽,从而延长了燃料电池的寿命。
    • 9. 发明申请
    • Heat exchanger for fuel cell
    • 燃料电池换热器
    • US20070277960A1
    • 2007-12-06
    • US11515029
    • 2006-09-05
    • Tae-won SongSeung-jae Lee
    • Tae-won SongSeung-jae Lee
    • F28D7/02H01M8/04F28D11/00
    • F28D15/0266F28D7/024F28D15/06F28D2021/0043F28F2265/14H01M8/04029
    • A heat exchanger that can mechanically automatically control a level of cooling water according to heat generation of the fuel cell. The heat exchanger includes a housing having a cooling water inlet and an outlet connected to a fuel cell stack, a moving plate which moves reciprocally in the housing and discharges cooling water filled in the housing to the stack when it moves in a one direction and when it receives a steam pressure from the stack it moves in an opposite direction, and an elastic member that applies a force to the moving plate in the one direction. The heat exchanger can automatically maintain the level of cooling water despite a difference in heat generated between a full and a partial load operation of the fuel cell obviating complicated electronics such as a thermo-sensor, a valve, or a controller. Also, under a partial load, the exposure of flow channels to superheated steam is avoided, thereby extending the lifetime of the fuel cell.
    • 一种热交换器,其能够根据燃料电池的发热机械地自动控制冷却水的水平。 所述热交换器包括壳体,所述壳体具有冷却水入口和连接到燃料电池堆的出口;移动板,其在所述壳体中往复运动,并且当其沿一个方向移动时将填充在所述壳体中的冷却水排出到所述堆叠 它从相对方向移动的烟囱接收蒸汽压力,以及向一个方向向移动板施加力的弹性部件。 尽管在燃料电池的全部和部分负载操作之间产生的热量差别,热交换器可以自动保持冷却水平,从而消除诸如热传感器,阀门或控制器的复杂电子设备。 此外,在部分负荷下,避免了流动通道暴露于过热蒸汽,从而延长了燃料电池的寿命。
    • 10. 发明申请
    • High temperature fuel cell system having cooling apparatus and method of operating the same
    • 具有冷却装置的高温燃料电池系统及其操作方法
    • US20070031713A1
    • 2007-02-08
    • US11443166
    • 2006-05-31
    • Chung-kun ChoDong-kwan KimTae-won Song
    • Chung-kun ChoDong-kwan KimTae-won Song
    • H01M8/04
    • H01M8/04007F28D7/106H01M8/0258H01M8/04171H01M8/04223H01M8/04228H01M8/04303H01M8/0612H01M8/0662H01M8/086H01M8/12H01M8/241H01M8/2457H01M2300/0005
    • A high temperature fuel cell system having a cooling apparatus, including: a fuel cell stack including a plurality of membrane electrode assemblies (MEAs) each having an anode electrode and a cathode electrode on opposing surfaces of an electrolyte membrane containing acid and a plurality of conductive plates contacting each electrode; an anode inlet line, which is connected to the fuel cell stack, and which supplies a hydrogen containing gas to the anode electrode; an anode outlet line, which is connected to the fuel cell stack, and which discharges byproducts produced at the anode electrode along with un-reacted hydrogen containing gas; a cathode inlet line, which is connected to the fuel cell stack, and which supplies oxygen to the cathode electrode; a cathode outlet line, which is connected to the fuel cell stack, and which discharges byproducts produced at the cathode electrode along with un-reacted oxygen; a cooling apparatus, which is installed at the anode inlet line, and which reduces a temperature of the hydrogen containing gas; and a moisture removing device that removes moisture from the hydrogen containing gas.
    • 一种具有冷却装置的高温燃料电池系统,包括:燃料电池堆,其包括多个膜电极组件(MEA),每个膜电极组件(MEA)在含有酸和多个导电的电解质膜的相对表面上具有阳极电极和阴极电极 板接触每个电极; 阳极入口管线,其连接到燃料电池堆,并且向阳极电极提供含氢气体; 连接到燃料电池堆的阳极出口管线,并且与未反应的含氢气体一起排出在阳极电极处产生的副产物; 阴极入口管线,其连接到燃料电池堆,并且向阴极电极供应氧气; 连接到燃料电池堆的阴极出口管线,并且与未反应的氧气一起排出在阴极处产生的副产物; 冷却装置,其安装在阳极入口管线处,并且降低含氢气体的温度; 以及从含氢气中除去水分的除湿装置。